Registro DMARC
v=spf1 include:spf.worksmobile.com ~all

Registro IPv4
host: osltech.co.kr
class: IN
ttl: 291
type: A
ip: 49.247.207.224

Servidores DNS Principal (mname) y Secundario (rname)
host: osltech.co.kr
class: IN
ttl: 1800
type: SOA
mname: osltech.co.kr
rname: postmaster.osltech.co.kr
serial: 20230718
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: osltech.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: kr1-aspmx1.worksmobile.com

Servidor de Correo
host: osltech.co.kr
class: IN
ttl: 1800
type: MX
pri: 20
target: kr1-aspmx2.worksmobile.com

Información TXT
host: osltech.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.worksmobile.com ~all
entries: Array